make ice::util public and bump ice version to v0.9.1

Author: yngrtc

ice/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "webrtc-ice"
-version = "0.9.0"
+version = "0.9.1"
 authors = ["Rain Liu <[email protected]>"]
 edition = "2021"
 description = "A pure Rust implementation of ICE"

ice/src/lib.rs

@@ -17,6 +17,6 @@ pub mod udp_mux;
 pub mod udp_network;
 pub mod url;
 pub mod use_candidate;
-mod util;
+pub mod util;
 
 pub use error::Error;